Margaret Riley-hagan, MD - Medicare Pediatrics in San Marcos, CA

Margaret Riley-hagan, MD is a medicare enrolled "Pediatrics" physician in San Marcos, California. Her current practice location is 400 Craven Rd, Dept Of Pediatrics Kaiser Permanente, San Marcos, California. You can reach out to her office (for appointments etc.) via phone at (760) 510-4169.

Margaret Riley-hagan is licensed to practice in California (license number A49609) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1548352388.

Contact Information

Margaret Riley-hagan, MD
400 Craven Rd, Dept Of Pediatrics Kaiser Permanente,
San Marcos, CA 92078-4201
(760) 510-4169
(760) 510-5334

Map and Direction




Physician's Profile

Full NameMargaret Riley-hagan
GenderFemale
SpecialityPediatrics
Location400 Craven Rd, San Marcos, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1548352388
  • Provider Enumeration Date: 09/29/2006
  • Last Update Date: 11/29/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9133147523
  • Enrollment ID: I20190418002125

Medical Identifiers

Medical identifiers for Margaret Riley-hagan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548352388NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics A49609 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Margaret Riley-hagan allows following entities to bill medicare on her behalf.
Entity NameHawaii Permanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710945969
PECOS PAC ID: 7618880667
Enrollment ID: O20031106000625

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Margaret Riley-hagan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Margaret Riley-hagan, MD
400 Craven Rd, Kaiser Permanente Dept. Of Pediatrics,
San Marcos, CA 92078-4201

Ph: (760) 510-4169
Margaret Riley-hagan, MD
400 Craven Rd, Dept Of Pediatrics Kaiser Permanente,
San Marcos, CA 92078-4201

Ph: (760) 510-4169

Reviews and Comments


Pediatrics Doctors in San Marcos, CA

Donald Miller, M.D
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Medicare: Not Enrolled in Medicare
Practice Location: 150 Valpreda Road, San Marcos, CA 91962
Phone: 760-736-6700    Fax: 760-736-6753
Dr. Vanessa Leonor Neves, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 1595 Grand Ave, Suite 102, San Marcos, CA 92078
Phone: 760-798-0428    Fax: 760-798-9618
Arati Malhotra, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 150 Valpreda Rd, San Marcos, CA 92069
Phone: 760-736-6700    Fax: 760-736-8740
Rachel Lehua Lum Ho, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 150 Valpreda Rd, San Marcos, CA 92069
Phone: 760-736-6767    
Dr. Gina Rosenfeld, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 1582 W San Marcos Blvd Ste 203, San Marcos, CA 92078
Phone: 760-744-6710    Fax: 760-744-6156
Dr. Tina Lu Chu, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 111 Campus Way Ste 301, San Marcos, CA 92078
Phone: 760-806-5700    
Carolyn Levin, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 150 Valpreda Rd, San Marcos, CA 92069
Phone: 760-736-6700    Fax: 760-736-6782

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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